Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

Switch: CSBYORXXPS1

Remotes:

Switch Switch name Switch type
LNGLORXXRP0    TA5 
PTORORXXRP0    TA5 
PWRSORXXRP0    TA5 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
541-751 A Coos Bay OR 4323 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 670   2024-02-14   
541-751 0 Coos Bay OR 4323 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 670      
541-751 1 Coos Bay OR 4323 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 670      
541-751 2 Coos Bay OR 4323 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 670      
541-751 4 Coos Bay OR 4323 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 670      
541-751 6 Coos Bay OR 4323 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 670      
541-751 7 Coos Bay OR 4323 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 670      
541-751 8 Coos Bay OR 4323 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 670      
541-751 9 Coos Bay OR 4323 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 670      

Last updated: Thu, 16 Jul 2026 02:21:55 UTC

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